/*
 *  $Id: IncomingPipeAdaptor.java,v 1.1 2005/08/23 00:14:06 hamada Exp $
 *
 *  Copyright (c) 2003 Sun Microsystems, Inc.  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *
 *  1. Redistributions of source code must retain the above copyright
 *  notice, this list of conditions and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in
 *  the documentation and/or other materials provided with the
 *  distribution.
 *
 *  3. The end-user documentation included with the redistribution,
 *  if any, must include the following acknowledgment:
 *  "This product includes software developed by the
 *  Sun Microsystems, Inc. for Project JXTA."
 *  Alternately, this acknowledgment may appear in the software itself,
 *  if and wherever such third-party acknowledgments normally appear.
 *
 *  4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA"
 *  must not be used to endorse or promote products derived from this
 *  software without prior written permission. For written
 *  permission, please contact Project JXTA at http://www.jxta.org.
 *
 *  5. Products derived from this software may not be called "JXTA",
 *  nor may "JXTA" appear in their name, without prior written
 *  permission of Sun.
 *
 *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *  DISCLAIMED.  IN NO EVENT SHALL SUN MICROSYSTEMS OR
 *  ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 *  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 *  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 *  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 *  SUCH DAMAGE.
 *
 *  ====================================================================
 *
 *  This software consists of voluntary contributions made by many
 *  individuals on behalf of Project JXTA.  For more
 *  information on Project JXTA, please see
 *  <http://www.jxta.org/>.
 *
 *  This license is based on the BSD license adopted by the Apache Foundation.
 */
package net.jxta.impl.util.pipe.reliable;

import net.jxta.endpoint.Message;
import net.jxta.pipe.InputPipe;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;

/**
 *  Description of the Class
 */
public class IncomingPipeAdaptor implements Runnable {

    private final static Logger LOG = Logger.getLogger(IncomingPipeAdaptor.class.getName());
    private Incoming incoming = null;
    private InputPipe pipe = null;
    private Thread puller = null;

    /**
     *  Constructor for the IncomingPipeAdaptor object
     *
     *@param  pipe      input pipe 
     *@param  incoming  incomming addaptor associated with the pipe
     */
    public IncomingPipeAdaptor(InputPipe pipe, Incoming incoming) {
        if (pipe == null) {
            throw new IllegalArgumentException("pipe cannot be null");
        }
        this.pipe = pipe;
        if (incoming == null) {
            throw new IllegalArgumentException("incoming cannot be null");
        }
        this.incoming = incoming;
        puller = new Thread(this, "Reliable IncomingPipe Message Pull Thread");
        puller.setDaemon(true);
        puller.start();
    }

    /**
     *  Main processing method for the IncomingPipeAdaptor object
     */
    public void run() {
        try {
            while (true) {
                Message msg = null;
                try {
                    msg = pipe.waitForMessage();
                } catch (InterruptedException ignore) {
                    continue;
                }
                if (msg != null) {
                    incoming.recv(msg);
                }
            }
        } catch (Throwable all) {
            if (LOG.isEnabledFor(Level.WARN)) {
                LOG.warn("Uncaught Throwable in thread :" +
                        Thread.currentThread().getName(), all);
            }
        }
    }
}

